JP4498304B2 - Egg shell opening method and egg shell opening device - Google Patents

Egg shell opening method and egg shell opening device Download PDF

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JP4498304B2
JP4498304B2 JP2006112862A JP2006112862A JP4498304B2 JP 4498304 B2 JP4498304 B2 JP 4498304B2 JP 2006112862 A JP2006112862 A JP 2006112862A JP 2006112862 A JP2006112862 A JP 2006112862A JP 4498304 B2 JP4498304 B2 JP 4498304B2
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egg
receiving plate
laser beam
shell
egg shell
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JP2007282559A (en
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健一 多胡
信隆 後藤
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QP Corp
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/30—Organic material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/50—Inorganic material, e.g. metals, not provided for in B23K2103/02 – B23K2103/26

Description

本発明は、卵の殻開方法及び卵の殻開装置に関し、さらに詳しくはレーザー光線を照射して卵の殻に切溝を形成した後、卵殻膜を切断する卵の殻開方法及びその装置に関する。 The present invention relates to an egg shell opening method and an egg shell opening device, and more particularly to an egg shell opening method and an apparatus for cutting an eggshell membrane after forming a kerf in an egg shell by irradiating a laser beam. .

卵は、栄養及び価格で優秀な食品である。家庭では、一つ一つ殻を割って卵黄と卵白（以下、卵液という。）をとりだすので、殻が中身に混ざったとしてもその都度、取出せばよいのでさほど問題ではない。他方、工業的に割卵をするには自動で割卵する種々の割卵装置が周知である。これらの割卵装置は、ナイフにより殻を殴打してひびを入れて割る機構であるため、割卵時に卵殻片が卵液に混入することを皆無にすることは困難である。そこで、ナイフを使用せずにレーザー光線を用いて卵殻を切断する方法が提案されている。（特許文献１及び特許文献２）
特開昭５３−６６４８２号公報 特開２００５−５２１３１号公報 Eggs are an excellent food in nutrition and price. At home, egg shells and egg whites (hereinafter referred to as egg liquid) are taken out one by one, so even if the shells are mixed with the contents, it is not a problem as long as they are removed. On the other hand, in order to industrially divide eggs, various egg breaking apparatuses that automatically divide eggs are well known. Since these egg breaking apparatuses are mechanisms that strike and crack the shell with a knife, it is difficult to completely eliminate the egg shell pieces from being mixed into the egg liquid during the egg breaking. Therefore, a method of cutting an eggshell using a laser beam without using a knife has been proposed. (Patent Document 1 and Patent Document 2)
JP-A-53-66482 Japanese Patent Laid-Open No. 2005-52131

本発明が解決しようとする問題点は、レーザー光線で卵殻を切断する際に卵をその両端で支持して回転させる特許文献１の従来技術では、個体差のある卵の卵殻にレーザー光線の焦点をあわせることが困難であった。また、レーザー光線により形成される切溝の最初と最後が合致しがたい（一本の線としてつながらない）ものであった。これらは、卵殻を完全に切断できないという問題があった。そこで、現状レーザー光線の出力を大きくして卵殻を切断する技法が採用されているが、レーザー光線の出力を大きくすると卵殻内の卵白にまでレーザー光線が到達して卵白を変質乃至焦げが生じて特有の臭気を発生させてしまうという問題がある。
本発明は、上記問題を解決するためになされたものでレーザー光線の焦点を卵殻の所定の位置に合わせてレーザー光線の出力を小さくして、卵殻膜を残す程度にレーザー光線を照射することによって卵白に不快な臭気を発生させずに卵の殻を２分割する方法とその装置を提供するものである。 The problem to be solved by the present invention is that, in the prior art of Patent Document 1 in which an egg is supported and rotated at both ends when the eggshell is cut with a laser beam, the laser beam is focused on the egg shell of individual differences. It was difficult. Also, the first and last kerfs formed by the laser beam were difficult to match (not connected as a single line). These had the problem that the eggshell could not be cut completely. Therefore, the technique of cutting the eggshell by increasing the output of the laser beam at present is adopted, but if the output of the laser beam is increased, the laser beam reaches the egg white in the eggshell and the egg white is altered or burnt, resulting in a characteristic odor. There is a problem of generating.
The present invention has been made to solve the above-mentioned problems. The laser beam is focused on a predetermined position of the eggshell to reduce the output of the laser beam, and the laser beam is irradiated to such an extent that the eggshell membrane is left unpleasant. The present invention provides a method and apparatus for dividing an egg shell into two parts without generating a bad odor.

すなわち、本発明は、卵の胴周を正立支持可能な孔を穿いた回転手段の駆動に伴って回転する回転自在の卵受板の該穿孔に卵の鈍端を前記卵受板の裏側へ突出させて支持し、前記回転手段の駆動に伴う前記卵受板の回転による卵の回転に伴って、前記卵受板の穿孔底部下方から突出させた卵殻の外周へレーザー光線を照射して、該卵の殻に卵殻膜を残して形成した切溝を施し、その後該切溝に刃部材を挿入させて前記卵の殻を２分割することを特徴とする卵の殻開方法である。この際、前記卵は前記穿孔内でその正立軸を軸心として回転自在としてあり、前記刃部材は前記卵受板の裏面に摺動可能な扁平刃としてある卵の殻開方法である。 That is, the present invention relates to the perforation of the rotatable egg receiving plate that rotates with the rotation of the rotating means that has a hole that can support the trunk of the egg upright. And projecting to the outer periphery of the eggshell projecting from the bottom of the perforation bottom of the egg receiving plate with the rotation of the egg by the rotation of the egg receiving plate accompanying the driving of the rotating means , An egg shell opening method characterized in that a cut groove formed by leaving the eggshell membrane is left in the egg shell, and then the egg shell is divided into two by inserting a blade member into the groove. At this time, the egg is a shell-opening method in which the egg is rotatable around the upright axis in the perforation, and the blade member is a flat blade slidable on the back surface of the egg receiving plate.

本発明の卵の殻開方法において、鈍端部を下方に載置するのは卵の鈍端部を正立支持可能な孔に載置し、該孔の中心を軸として水平に回転自在とし、その孔の裏面に突出した卵殻を支持する孔の際にレーザー光線の照射焦点を設定することにより個体差のある卵であっても容易にレーザー光線の焦点を卵殻に設定することが可能と出来るので、前記焦点の位置を個体差の影響を受けにくくするという理由と殻開する際に気室が鈍端部にあることから卵白が不用意に落下することを防止でき卵白を効率よく回収できるようにするという理由による。また、卵殻膜を残して切溝を形成するのは、レーザー光線照射による卵白の焦げ臭の発生を阻止し得るという理由、及び刃部材による切溝を切断する際に回収する卵白卵黄液に卵殻片の混入を容易に防止できるという理由による。 In the egg shell opening method of the present invention, the blunt end portion is placed downward by placing the blunt end portion of the egg in a hole that can be supported upright, and can be rotated horizontally around the center of the hole. By setting the laser beam irradiation focus at the hole supporting the eggshell protruding from the back of the hole, it is possible to easily set the focus of the laser beam to the eggshell even for eggs with individual differences The reason is that the position of the focal point is less affected by individual differences and that the air chamber is at the blunt end when the shell is opened, so that the egg white can be prevented from being accidentally dropped and the egg white can be efficiently recovered. Because of the reason. The reason why the kerf is formed by leaving the eggshell membrane is that the burning of the egg white due to the laser beam irradiation can be prevented, and the eggshell pieces are collected in the egg white egg yolk liquid collected when cutting the kerf by the blade member. This is because it is possible to easily prevent contamination.

また、前記方法を達成するための本発明の装置は、卵の胴周を正立支持可能な孔を穿いてあり回転手段と連動して卵の正立姿勢を保った状態で回転させる
卵受板と、前記回転手段と連動して前記卵受板の回転による卵の回転に伴って前記卵受板の前記穿孔の裏側周縁部にレーザー光線を照射するレーザー光線照射手段と、前記卵受板の裏面に沿って摺動可能に配置された刃部材と、該刃部材の摺動手段とを備え、前記穿孔に支持した卵へのレーザー光線の照射強度をレーザー光線により形成される卵殻表面の切溝が卵殻膜を残す程度に調整してあり、前記刃部材を扁平刃としてあることを特徴とする卵の殻開装置である。このような構造にすることで個体差のある卵であっても容易にレーザー光線照射の焦点を卵殻の表面に合わすことが可能となり、卵殻の混入のない卵の殻開装置とすることができるのでよい。 In addition, the apparatus of the present invention for achieving the above method is provided with a hole that can support an upright support for the circumference of the egg, and rotates in a state of maintaining an upright posture of the egg in conjunction with the rotating means. An egg receiving plate, laser beam irradiating means for irradiating a laser beam to a peripheral edge of the back side of the perforation of the egg receiving plate in accordance with the rotation of the egg receiving plate in conjunction with the rotating means, and the egg A blade member slidably disposed along the back surface of the backing plate, and a sliding means for the blade member, and the surface of the eggshell surface formed by the laser beam with the irradiation intensity of the laser beam applied to the egg supported by the perforation. The egg shell opening device is characterized in that the kerf is adjusted so as to leave an eggshell membrane, and the blade member is a flat blade. By adopting such a structure, it becomes possible to easily focus the laser beam irradiation on the surface of the eggshell even for eggs with individual differences, and it is possible to provide an egg shell opening device that does not contain eggshell. Good.

本発明の卵の殻開方法によれば、ナイフのみで殻開を行うことなく卵殻膜を残した状態で卵殻を切断することが出来るので卵殻が卵液に混入することを防止すると共にレーザー光線による切断時に生じていた卵白が焦げた特有の臭気の発生を防止できるものである。特に工業的に大量の卵を殻開処理する際にその効果は大であり、さらに、レーザー光線を卵殻の所定の位置に焦点を結んで照射が出来ることによりその出力を小さくすることが出来るので装置の製造コストをも低減することができるものである。 According to the egg shell opening method of the present invention, it is possible to cut the eggshell while leaving the eggshell membrane without opening the shell with only a knife. It is possible to prevent the generation of a characteristic odor burned by the egg white produced at the time of cutting. Especially when industrially large-scale eggs are shell-opened, the effect is great. Furthermore, the laser beam can be focused on a predetermined position of the eggshell and irradiated to reduce the output. The manufacturing cost can also be reduced.

以下、本発明を図面に示す本発明の卵の殻開装置の実施形態を参照して説明する。 Hereinafter, the present invention will be described with reference to an embodiment of an egg shell opening device of the present invention shown in the drawings.

図１は、本発明に係る卵受板に卵を載置した状態の一実施例を示す斜視断面説明図であり、図２は、卵受板を回転させる構造の一実施例を示す正面説明図である。図３は、卵殻を殻開する工程の説明図であり、図４は、本発明の殻開装置の一実施例の概略を示す斜視説明図である。 FIG. 1 is a perspective cross-sectional explanatory view showing an embodiment in which an egg is placed on an egg receiving plate according to the present invention, and FIG. 2 is a front view showing an embodiment of a structure for rotating the egg receiving plate. FIG. FIG. 3 is an explanatory view of the process of opening the eggshell, and FIG. 4 is a perspective explanatory view showing an outline of one embodiment of the shell opening device of the present invention.

本発明の卵の殻開方法を達成するための卵の殻開装置はその一実施例の概略の構造を図１乃至図４で示すように、卵１の胴周を正立支持可能な孔６を穿いてあり回転手段８と連動する卵受板５と、該卵受板５の前記穿孔６の裏側周縁部にレーザー光線を照射するレーザー光線照射手段１２と、前記卵受板５の裏面に沿って摺動可能に配置された刃部材１０と、該刃部材１０を摺動させる図示しない刃部材１０の摺動手段とを備えた構造としてある。
なお、本実施例の装置においては、図４に示すごとく、前記卵受板５を図示しない駆動手段で回転する回動円盤１６の周縁内側に等間隔で５箇所配設してある。また、卵受板５の上方の所定の位置には昇降手段１７に支持された卵の押圧装置１１を添設してある。 An egg shell opening device for achieving the egg shell opening method of the present invention is shown in FIGS. 1 to 4 as a schematic structure of an embodiment of the egg shell opening device. 6 along the egg receiving plate 5 interlocked with the rotating means 8, laser beam irradiating means 12 for irradiating a laser beam to the peripheral edge of the back side of the perforation 6 of the egg receiving plate 5, In this structure, the blade member 10 is slidably disposed, and a sliding means (not shown) for sliding the blade member 10 is provided.
In the apparatus of the present embodiment, as shown in FIG. 4, the egg receiving plate 5 is arranged at five locations at equal intervals on the inner periphery of the rotating disk 16 that is rotated by a driving means (not shown). Further, an egg pressing device 11 supported by the elevating means 17 is attached at a predetermined position above the egg receiving plate 5.

次に上記本発明の実施例の装置を用いて卵の殻開する方法をその作用に基づき順次説明する。
まず、図１及び図３の（Ａ）に示すように卵１は卵受板５の穿孔６にその鈍端部を突出させて正立支持する。卵受板５に支持された卵１は卵受板５の回転手段８の駆動に伴って正立姿勢を保った状態で回転する。卵１の回転に伴って、卵受板５の穿孔６底部下方から突出させた卵殻の外周へレーザー光線が照射される（図３の（Ｂ）参照）。この時、レーザー光線は卵受板５の穿孔６の裏面周縁部に照射されるので、卵１の前記突出部の表面には穿孔６の裏面周縁部に沿って一本の線状に切溝１５が施される。尚、レーザー光線として卵殻膜を残す程度にレーザー光線を照射することができれば特に制限はない。例えば、炭酸ガスレーザーで波長が１０．６μｍなどがある。 Next, a method for opening an egg shell using the apparatus according to the embodiment of the present invention will be described in order based on the operation.
First, as shown in FIG. 1 and FIG. 3A, the egg 1 is supported upright by projecting the blunt end of the perforation 6 of the egg receiving plate 5. The egg 1 supported by the egg receiving plate 5 rotates while maintaining an upright posture in accordance with the driving of the rotating means 8 of the egg receiving plate 5. As the egg 1 rotates, a laser beam is applied to the outer circumference of the eggshell protruding from the bottom of the bottom of the perforation 6 of the egg receiving plate 5 (see FIG. 3B). At this time, since the laser beam is applied to the peripheral edge of the back surface of the perforation 6 of the egg receiving plate 5, the surface of the protruding portion of the egg 1 is cut into a single groove 15 along the back peripheral edge of the perforation 6. Is given. There is no particular limitation as long as the laser beam can be irradiated to the extent that the eggshell membrane is left as the laser beam. For example, the wavelength of the carbon dioxide laser is 10.6 μm.

この時、切溝１５は必ずしも卵１の全周ではなくとも刃部材１０が挿入できる程度であってもよい。切溝１５が施され穿孔６に支持された卵１は回動円盤１６の回動と共に押圧手段１１の真下に移送され、その上方から揺動しないように押圧固定される（図３の（Ｃ）参照）。
次いで、卵受板５の裏面に沿って摺動可能に配置された刃部材１０の摺動手段が作動することにより、刃部材１０は卵受板５の裏面を摺動すると共に前記切溝１５に挿入される。刃部材１０の挿入により卵殻膜が切断され、卵殻の鈍端部の卵殻切断片４は卵１の本体部から完全に切り離され（図３（Ｄ）参照）、図示しない排出手段により排出される。この時、卵１内の卵液は扁平刃部材で卵内に留置される。引き続き回動円盤１６の回動により、卵液受け皿１３の真上に移送されると共に刃部材１０の切溝１５への挿入が解除されることで卵１の鈍端部は完全に開口され、卵１内の中身である卵白卵黄液２はこの開口部から流出し、所定の受け皿１３に回収される（図３（Ｅ）参照）。 At this time, the kerf 15 may not necessarily be the entire circumference of the egg 1, but may be the extent that the blade member 10 can be inserted. The egg 1 provided with the kerf 15 and supported by the perforation 6 is transferred directly below the pressing means 11 along with the rotation of the rotating disk 16, and is pressed and fixed so as not to swing from above ((C in FIG. 3). )reference).
Next, when the sliding means of the blade member 10 slidably disposed along the back surface of the egg receiving plate 5 is activated, the blade member 10 slides on the back surface of the egg receiving plate 5 and the kerf 15 Inserted into. By inserting the blade member 10, the eggshell membrane is cut, and the eggshell cut piece 4 at the blunt end of the eggshell is completely separated from the main body of the egg 1 (see FIG. 3D) and discharged by a discharge means (not shown). . At this time, the egg liquid in the egg 1 is left in the egg by the flat blade member. Subsequently, by the rotation of the rotating disk 16, the egg 1 is transferred directly above the egg tray 13 and the insertion of the blade member 10 into the kerf 15 is released, whereby the blunt end of the egg 1 is completely opened, The egg white yolk liquid 2 which is the contents in the egg 1 flows out from the opening and is collected in a predetermined tray 13 (see FIG. 3E).

中身を取出された空の卵殻３は図示しない卵殻除去手段（本実施例では圧縮空気による吹き飛ばし）の真上に移送され、卵受板５から除去される（図３(Ｆ)参照）。卵受板５には新たな卵１が供給される（図３（Ａ）参照）。以下、同様の作用を繰り返す。
上記の実施例に示したように本発明の卵の殻開方法及びその装置を用いることで、卵の卵白の焦げ臭がなく、卵殻片の混入のない卵白卵黄液を工業的にコストを安くして得られるものである。 The empty eggshell 3 from which the contents have been taken out is transferred directly above an eggshell removal means (not shown) (blowing off with compressed air in this embodiment) and removed from the egg receiving plate 5 (see FIG. 3 (F)). A new egg 1 is supplied to the egg receiving plate 5 (see FIG. 3A). Thereafter, the same operation is repeated.
By using the egg shell opening method and apparatus according to the present invention as shown in the above embodiment, the egg white egg yolk liquid free from the burning smell of egg white and containing egg shell fragments is industrially inexpensive. Is obtained.

なお、本実施例において、卵受板５を回動円板１６を用いて移動させたり、殻の卵殻を圧縮空気により除去する等等の説明を加えているが、本発明はこれらに限定されるものではなく、レーザ−光線と刃部材の両方を用いて卵の殻開する技法は本発明の技術的範囲に属するものである。 In the present embodiment, explanations such as moving the egg receiving plate 5 using the rotating disk 16 and removing the eggshell of the shell with compressed air are added, but the present invention is not limited thereto. Instead, the technique of shelling an egg using both a laser beam and a blade member belongs to the technical scope of the present invention.

本発明に係る卵受板に卵を載置した状態の一実施例を示す斜視断面説明The perspective cross-sectional explanation which shows one Example of the state which mounted the egg on the egg receiving plate concerning this invention 卵受板を回転させる構造の一実施例を示す正面説明図Front explanatory view showing an embodiment of a structure for rotating an egg receiving plate 卵殻を殻開する工程の説明図Explanatory drawing of the process of opening the eggshell 本発明の卵の殻開装置の一実施例の概略を示す斜視説明図The perspective explanatory view showing the outline of one embodiment of the egg shell opening device of the present invention

符号の説明Explanation of symbols

１ 卵
２ 卵白卵黄液
３ 卵殻
４ 卵殻切断片
５ 卵受板
６ 卵受板穿孔
７ ギア
８ モーター
９ 中間ギア
１０ 扁平刃（刃部材）
１１ 卵の押圧装置
１２ レーザー光線照射手段
１３ 卵白卵黄受皿
１５ 切溝
１６ 回動円盤
１７ 昇降手段 DESCRIPTION OF SYMBOLS 1 Egg 2 Egg white egg yolk liquid 3 Egg shell 4 Egg shell cut piece 5 Egg receiving plate 6 Egg receiving plate perforation 7 Gear 8 Motor 9 Intermediate gear 10 Flat blade (blade member)
DESCRIPTION OF SYMBOLS 11 Egg pressing device 12 Laser beam irradiation means 13 Egg white egg yolk saucer 15 Cut groove 16 Rotating disk 17 Lifting means

Claims (3)

卵の胴周を正立支持可能な孔を穿いた回転手段の駆動に伴って回転する回転自在の卵受板の該穿孔に卵の鈍端を前記卵受板の裏側へ突出させて支持し、前記回転手段の駆動に伴う前記卵受板の回転による卵の回転に伴って、前記卵受板の穿孔底部下方から突出させた卵殻の外周へレーザー光線を照射して、該卵の殻に卵殻膜を残して形成した切溝を施し、その後該切溝に刃部材を挿入させて前記卵の殻を２分割することを特徴とする卵の殻開方法。 The blunt end of the egg is supported by projecting the egg blunt end to the back side of the egg receiving plate in the perforation of the rotatable egg receiving plate that rotates in accordance with the driving of the rotating means having a hole that can support the egg shell upright. The egg shell is irradiated with a laser beam on the outer periphery of the egg shell projected from below the perforated bottom of the egg receiving plate as the egg rotates due to the rotation of the egg receiving plate driven by the rotating means. A method for opening an egg shell, comprising: forming a kerf formed by leaving a film, and then inserting a blade member into the kerf to divide the egg shell into two. 前記卵は前記穿孔内でその正立軸を軸心として回転自在としてあり、かつ前記刃部材は前記卵受板の裏面に摺動可能な扁平刃としてある請求項１記載の卵の殻開方法。 2. The egg shell opening method according to claim 1, wherein the egg is rotatable in the perforation around its upright axis and the blade member is a flat blade slidable on the back surface of the egg receiving plate. 3. 卵の胴周を正立支持可能な孔を穿いてあり回転手段と連動して卵の正立姿勢を保った状態で回転させる卵受板と、前記回転手段と連動して前記卵受板の回転による卵の回転に伴って前記卵受板の前記穿孔の裏側周縁部にレーザー光線を照射するレーザー光線照射手段と、前記卵受板の裏面に沿って摺動可能に配置された偏平な刃部材と、該刃部材の摺動手段とを備え、前記穿孔に支持した卵へのレーザー光線の照射強度をレーザー光線により形成される卵殻表面の切溝が卵殻膜を残す程度に調整してあることを特徴とする卵の殻開装置。 And egg receiving plate for rotating the cylinder circumference of the egg in a state in conjunction with the rotating means Yes wear erecting supportable hole was kept upright posture of eggs, the eggs receiving plate in conjunction with the rotating means A laser beam irradiating means for irradiating a laser beam to the back peripheral edge of the perforation of the egg receiving plate in accordance with the rotation of the egg; and a flat blade member slidably disposed along the back surface of the egg receiving plate; The blade member sliding means, and the irradiation intensity of the laser beam to the egg supported by the perforation is adjusted so that the kerf on the eggshell surface formed by the laser beam leaves the eggshell membrane. Egg shell opening device.
JP2006112862A 2006-04-17 2006-04-17 Egg shell opening method and egg shell opening device Expired - Fee Related JP4498304B2 (en)

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010019683A1 (en) * 2010-05-07 2011-11-10 Heiner und Henner Schönecke GbR (Vertretungsberechtigter Gesellschafter: Herr Schönecke, 21614 Buxtehude) Processing of egg shells e.g. chicken egg shells using a laser, comprises providing perforations in specified places of hard egg shells, and clearing parts of the shells so that perforations are arranged in the form of appealing patterns
CN105595870B (en) * 2016-03-16 2018-08-17 哈尔滨工程大学 A kind of annular cuts egg device open
BR112019000640B1 (en) * 2016-07-14 2023-02-23 Moba Group B.V. DEVICE FOR OBTAINING LIQUID FROM EGGS, METHOD FOR COLLECTING EGG LIQUID AND EGG LIQUID COLLECTION SYSTEM

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5366482A (en) * 1976-11-22 1978-06-13 Shimada Rika Kogyo Kk Method of separating shell and content of egg
JPH0919271A (en) * 1995-07-07 1997-01-21 Kenichi Nariyama Stirred egg, stirring of egg for producing the same and egg-stirring apparatus
JPH10313791A (en) * 1997-05-20 1998-12-02 Mitaka Denki:Kk Cutting depth self-controlling method for automatic egg breaker
JP2005052131A (en) * 2003-08-05 2005-03-03 Kinji Ichikawa Automatic egg-breaking device
JP2005137289A (en) * 2003-11-07 2005-06-02 Q P Corp Eggshell cutting unit in egg breaking machine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5366482A (en) * 1976-11-22 1978-06-13 Shimada Rika Kogyo Kk Method of separating shell and content of egg
JPH0919271A (en) * 1995-07-07 1997-01-21 Kenichi Nariyama Stirred egg, stirring of egg for producing the same and egg-stirring apparatus
JPH10313791A (en) * 1997-05-20 1998-12-02 Mitaka Denki:Kk Cutting depth self-controlling method for automatic egg breaker
JP2005052131A (en) * 2003-08-05 2005-03-03 Kinji Ichikawa Automatic egg-breaking device
JP2005137289A (en) * 2003-11-07 2005-06-02 Q P Corp Eggshell cutting unit in egg breaking machine

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